Finding the Fourth Proportional to 47,739.42, 65,919.15 and 42,694.74

Step by Step Solution

1. Step 1: Write the proportion equation
   47,739.42 : 65,919.15 = 42,694.74 : x
2. Step 2: Convert to fraction form
   47,739.42/65,919.15 = 42,694.74/x
3. Step 3: Cross multiply
   47,739.42x = 65,919.15 × 42,694.74
4. Step 4: Simplify right side
   47,739.42x = 2,814,400,970.27
5. Step 5: Solve for x
   x = 2,814,400,970.27/47,739.42
6. Step 6: Final answer
   x = 58,953.40